/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#pragma once
#include
#include
#if defined(ATMOSPHERE_ARCH_ARM64)
#include
namespace ams::kern {
using ams::kern::arm64::KInterruptManager;
}
#else
#error "Unknown architecture for KInterruptManager"
#endif
namespace ams::kern {
/* Enable or disable interrupts for the lifetime of an object. */
class KScopedInterruptDisable {
NON_COPYABLE(KScopedInterruptDisable);
NON_MOVEABLE(KScopedInterruptDisable);
private:
u32 prev_intr_state;
public:
ALWAYS_INLINE KScopedInterruptDisable() : prev_intr_state(KInterruptManager::DisableInterrupts()) { /* ... */ }
~KScopedInterruptDisable() { KInterruptManager::RestoreInterrupts(prev_intr_state); }
};
class KScopedInterruptEnable {
NON_COPYABLE(KScopedInterruptEnable);
NON_MOVEABLE(KScopedInterruptEnable);
private:
u32 prev_intr_state;
public:
ALWAYS_INLINE KScopedInterruptEnable() : prev_intr_state(KInterruptManager::EnableInterrupts()) { /* ... */ }
~KScopedInterruptEnable() { KInterruptManager::RestoreInterrupts(prev_intr_state); }
};
}